Upper portion of a plastic bottle



FIG. 1 is a side elevation view of a first side a plastic bottle having an upper portion in accordance with the present invention.

FIG. 2 is a side elevation view of the opposite side of the plastic bottle shown in FIG. 1.

FIG. 3 is a side elevation view of the left side of the plastic bottle shown in FIG. 1.

FIG. 4 is a side elevation view of the right side of the plastic bottle shown in FIG. 1.

FIG. 5 is a top plan view of the bottle shown in the prior figures.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

I claim the ornamental design for the upper portion of a plastic bottle, as shown and described. 